Enhanced particle mixing in pulsed fluidized beds and the effect of internals

Industrial and Engineering Chemistry Research

Volumn 51, Issue 4, 2012, Pages 1713-1720

  Hadi, Bashar ^a   Van Ommen, J Ruud ^a   Coppens, Marc Olivier ^b  

^a DELFT UNIVERSITY OF TECHNOLOGY   (Netherlands)

^b Rensselaer Polytechnic Institute   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BED HEIGHT; BUBBLE CHARACTERISTICS; BUBBLE FRACTIONS; BUBBLE SIZE; CONSTANT FLOW; DEFLUIDIZATION; DIFFERENT HEIGHTS; FLUIDIZED BED HYDRODYNAMICS; GAS-PHASE PULSATION; MIXING PROPERTY; OPTICAL PROBE; PARTICLE MIXING; PRESSURE FLUCTUATION; PULSATION FREQUENCY; PULSED FLUIDIZED BED; STANDARD DEVIATION; SUPERFICIAL GAS VELOCITIES;

FLUIDIZATION; PULSATILE FLOW;

FLUIDIZED BEDS;

EID: 84856514241     PISSN: 08885885     EISSN: 15205045     Source Type: Journal    
DOI: 10.1021/ie200933k     Document Type: Article

References (21)

1. Klein van Willigen, F.; van Ommen, J. R.; van Turnhout, J.; van den Bleek, C. M. Bubble size reduction in a fluidized bed by electric fields Int. J. Chem. Reactor Eng. 2003, 1, A21
2. Seville, J. P. K.; Willett, C. D.; Knight, P. C. Interparticle forces in fluidization: A review Powder Technol. 2000, 113, 261-268
3. Wormsbecker, M.; Pugsley, T.; Tanfara, H. Interpretation of the hydrodynamic behaviour in a conical fluidized bed dryer Chem. Eng. Sci. 2009, 64, 1739-1746
4. van Ommen, J. R.; Nijenhuis, J.; Coppens, M.-O. Reshaping the structure of fluidized beds Chem. Eng. Prog. 2009, 105, 49-57
5. van Ommen, J. R.; Nijenhuis, J.; van den Bleek, C. M.; Coppens, M.-O. Four ways to introduce structure fluidized bed reactors Ind. Eng. Chem. Res. 2007, 46, 4236-4244 (Pubitemid 46982434)
6. Christensen, D.; Vervoelt, D.; Nijenhuis, J.; van Wachem, B. G. M.; van Ommen, J. R.; Coppens, M.-O. Insights in distributed secondary gas injection in bubbling fluidized bed via discrete particle simulations Powder Technol. 2008, 183, 454-466
7. Wang, X. S.; Rhodes, M. J. Using pulsed flow to overcome defluidization Powder Technol. 2005, 60, 5177-5181 (Pubitemid 40906865)
8. Akhavan, A.; van Ommen, J. R.; Nijenhuis, J.; Wang, X. S.; Coppens, M. O.; Rhodes, M. J. Improved drying in a pulsation-assisted fluidized bed Ind. Eng. Chem. Res. 2009, 48, 302-309
9. Reyes, A.; Herrera, N.; Vega, R. Drying suspensions in a pulsed fluidized bed of inert particles Drying Technol. 2008, 26, 122-131
10. Coppens, M.-O.; van Ommen, J. R. Structuring chaotic fluidized beds Chem. Eng. J. 2003, 96, 117-124 (Pubitemid 37450274)
11. Nigam, K. D. P.; Larachi, F. Process intensification in trickle-bed reactors Chem. Eng. Sci. 2005, 60, 5880-5894 (Pubitemid 41029505)
12. Gawrzynski, Z.; Glaser, R. Drying in a pulsed-fluid bed with relocated gas stream Drying Technol. 1996, 14, 1121-1172 (Pubitemid 126494780)
13. Li, Z.; Kobayashi, N.; Deguchi, S.; Hasatani, M. Investigation on the drying kinetics in a pulsed fluidized bed J. Chem. Eng. Jpn. 2004, 37, 1179-1182 (Pubitemid 39519979)
14. Nishimura, A.; Deguchi, S.; Matsuda, H.; Hasatani, M.; Mujumdar, A. S. Heat transfer characteristics in a pulsating fluidized bed in relation to bubble characteristics Heat Transfer-Asian Res. 2002, 31, 307-319 (Pubitemid 34767032)
15. Prachayawarakorn, S.; Tia, W.; Poopaiboon, K.; Soponronnarit, S. Comparison of performances of pulsed and conventional fluidised-bed dryers J. Stored Prod. Res. 2005, 41, 479-497 (Pubitemid 40782512)
16. Coppens, M.-O.; Regelink, M. A.; van den Bleek, C. M. Pulsation induced transition from chaos to periodically ordered patterns in fluidized beds. In Proceedings of the 4th World Congress on Particle Technology; Sydney, Australia, 2002; Paper 355.
17. Hadi, B.; Coppens, M-O; van Ommen, R. Improved heat transfer in structured fluidized beds by two innovative techniques: Gas pulsation and fractal injection. In Proceedings of the 6th World Congress on Particle Technology; Nuremberg, Germany, 2010; Paper 405.
18. Bi, T. H. A critical review of the complex pressure fluctuations phenomenon in gas-solids fluidized beds Chem. Eng. Sci. 2007, 62, 3473-3493
19. van der Schaaf, J.; Schouten, J. C.; Johnsson, F.; van den Bleek, C. M. Non-intrusive determination of bubble and slug length scales in fluidized beds by decomposition of the power spectral density of pressure time series Int. J. Multiphase Flow 2002, 28, 865-880 (Pubitemid 34557486)
20. Rundqvist, R.; Magnusson, A.; van Wachem, B. G. M.; Almstedt, A. E. Dual optical fibre measurements of the particle concentration in gas/solid flows Exp. Fluids 2003, 35, 572-579 (Pubitemid 38028210)
21. Beetstra, R.; Nijenhuis, J.; Ellis, N.; van Ommen, J. R. The influence of the particle size distribution on fluidized bed hydrodynamics using high-throughput experimentation AIChE J. 2009, 55, 2013-2023